Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
02007excellentexcellent21excellent
010010excellentexcellent21excellent
000017goodexcellent21excellent
23007excellentexcellent11excellent
22005excellentexcellent11excellent
21003excellentexcellent11excellent
20002excellentexcellent11excellent
19001excellentexcellent11excellent
18001excellentexcellent11excellent
17002excellentexcellent11excellent
16003excellentexcellent11excellent
15002excellentexcellent11excellent
14001excellentexcellent11excellent
13002excellentexcellent11excellent
12001excellentexcellent11excellent
11002excellentexcellent11excellent
10003excellentexcellent11excellent
09004excellentexcellent11excellent
08005excellentexcellent11excellent
07005excellentexcellent11excellent
060012excellentexcellent21excellent
05008excellentexcellent21excellent
040011excellentexcellent11excellent
030011excellentexcellent21excellent